See the steps below to troubleshoot common Outlook issues.
I can't install the Outlook app
Make sure your device meets the requirements for the app. Outlook app support iOS 8.0 and higher and Android 4.0 and higher.
I can't sign into the app
Check your email account and password and try entering your information again.
Make sure your email account is supported. You can add accounts from Office 365, Exchange Online, Exchange Server (2007 SP2, 2010, 2013), Outlook.com (including Hotmail, Live, and MSN), Gmail, iCloud and Yahoo! Mail.
If you're not sure which type of email account you have, check with your workplace support team, email provider or Internet service provider (ISP).
If you can't sign in to an account that you've already added, remove your account, then add it again.
To remove an account and add again:
Go to Settings, then select the account you want to delete.
Select Remove Account.
Select From Device, (removes the account, but keeps the data) or From Device & Remote Data, (removes the account and all the information related to that account).
Add the account again. For information see Install and Set up.
Outlook doesn't sync my data
Follow the steps in the procedure above, "I can't sign into the app", to remove the account from the app and re-add it.
Outlook crashed when I tried to sign in
If Outlook crashes when you open it, clear the browser's cache on your device, then remove the app and re-install.
My POP account isn't supported in Outlook
Although we currently don't support POP accounts, you can work around this issue by adding your POP account in an Outlook.com account, and then set up the Outlook.com account with our app. For instructions, see Set up a POP email account in Outlook for iOS or Android.
I have a calendar in Outlook Desktop that I can’t see in Outlook for iOS or Android
If you’re using a local calendar in Outlook Desktop on your PC (i.e. with a POP email account), you can export your calendar and sync it to your phone using an Outlook.com account. For instructions, see Share an Outlook calendar on Outlook.com.
After following the steps to save and import your calendar, simply add your Outlook.com account to Outlook for iOS or Android. See Set up a POP email account in Outlook for iOS or Android for more information.
I have contacts in Outlook Desktop that I can’t see in Outlook for iOS or Android
If you’ve added contacts locally in Outlook Desktop on your PC, such as those associated with a POP account, you can export them and sync them to your phone using an Outlook.com account.
Create a new Outlook.com account, or log in to an existing account here.
Select the app launcher on the upper left corner and then People.
Select Start import under Import Contacts.
Select Outlook 2010 & Outlook 2013 on the next screen, and follow the instructions to copy your local contacts to the Outlook.com account from Outlook Desktop on your PC.
After you import your contacts to Outlook.com, simply add your Outlook.com account to Outlook for iOS or Android. See Set up a POP email account in Outlook for iOS or Android for more information.
I can't find a feature that I need
If there is a tool or feature that you need but can't find in the app, please visit our Suggestion Box to give us feedback, or vote for the features that others have requested.
You can see more troubleshooting tips or contact support right from your app. See Find Help on your device for more information.